As of Friday, October 30, 2026, the Moon is in its full phase and is reported to be 72% visible. These figures are based on the calendar provided by Brazil's National Institute of Meteorology (Inmet), which tracks the lunar phases for the month.
The lunar cycle for October 2026 commenced on the 3rd with the waning moon at 10:26 Brasília time. This was followed by the new moon on October 10 at 12:50, and the waxing moon phase began on October 18 at 13:13. The full moon event occurred earlier in the month on October 26 at 1:13.
A lunar cycle, or lunation, represents the interval between new moons and averages 29.5 days in duration. During this period, the Moon progresses through four primary phases: new, waxing, full, and waning, with each lasting approximately seven days. The cycle also includes intermediate phases such as the first quarter and waxing gibous between the new and full stages, and the waning gibous and last quarter between the full and waning stages.
During the new moon phase, the satellite positions itself between the Earth and the Sun, rendering it invisible in the night sky as its illuminated side faces away from observers. The waxing phase follows, characterized by a gradually increasing sliver of light that grows until half the Moon is visible at the first quarter. The full moon occurs when the Earth sits between the Sun and the Moon, allowing the entire face to be illuminated and visible at maximum brightness. Finally, the waning phase sees the light diminish nightly until the cycle resets with the new moon.
Sources: Olhar Digital.